Revert "[eclass] Add RDEPEND on qtchooser."

This is causing blockers because qt-4.8.6 is still masked

This reverts commit ab5c7bec5a9dc95306e571dd48e73f25bf431452.
[qt4-build-multilib.eclass] Add RDEPEND on qtchooser.
[Qt4] Refactor phase functions so that ebuilds can override multilib_src_*
[dev-qt/qtopenvg:4] Use multilib_src_install_all().
[dev-qt/qtdemo:4] Stop installing doc/src/images.

They don't seem to be used, I couldn't find any references to them
in the examples/ and demos/ subdirs.
Merge pull request #66 from CmdrMoozy/master

[dev-qt/qdoc] New package.
[sets] Update Qt5 sets.
[dev-qt/qdoc:5] Shorten DESCRIPTION.

Package-Manager: portage-2.2.10
[dev-qt/qtsvg:5] QtXml is required only for tests.

Package-Manager: portage-2.2.10
[dev-qt] Improve DESCRIPTION.
[dev-qt/designer:4] Stop installing private headers and other shit.

Qt Creator (the only user) bundles an internal copy since 2009.

Package-Manager: portage-2.2.10
[dev-qt/qtgui:5] Mention platform plugins in DESCRIPTION.

Package-Manager: portage-2.2.10
[dev-qt/qthelp:4] Unbreak and simplify docs generation/installation.

Fixes bug 514942

Package-Manager: portage-2.2.10
[qmake-utils.eclass] Sync with portage.
[qt5-build] Let configure figure out reduced relocations support.

This should fix arm and ppc support (at least). See upstream bug
https://bugreports.qt-project.org/browse/QTBUG-36129

Thanks to Vladimir Smirnov <civil@gentoo.org> for the heads-up.